File ConversionImage ConversionFree Tool
ICO to PNG
Extract the largest icon image from a Windows .ico file as a real PNG, by parsing the ICO container format directly — works for modern PNG-compressed icons, not legacy uncompressed ones.
How to Use ICO to PNG
- 1Upload your .ico file
- 2The largest icon image is extracted automatically
- 3Preview the result and download it as PNG
Frequently Asked Questions
It reads the real binary ICO file structure (the ICONDIR header and each ICONDIRENTRY), finds the largest embedded icon image, and extracts its raw image data — not a screenshot or approximation.
Modern ICO files (Windows Vista and later) can embed a full PNG directly, which this tool extracts. Older ICO files use an uncompressed bitmap (BMP-style) format instead, which this tool doesn't decode — most icons created or exported in the last ~15 years use the PNG-compressed format, so this covers the vast majority of real-world ICO files.
The largest one — ICO files commonly bundle several resolutions in one file, and this tool picks the biggest available image.
No — the file is read and parsed entirely in your browser.
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